Heat treated coral

newnan man

Gold Member
Aug 8, 2005
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Beautiful Florida
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Relic Hunting
A few brokes that I found in the 80's. If whole, they would have been beautiful points. Heat treated material, Coral. A spiral shell inclusion at the break actually has tiny crystals in it.
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Upvote 14
I’ve knapped a little bit of coral. Some of it is really colorful when heated. Once heated, it’s easy to knap. I got some nodules right out of the gulf on Honeymoon Island. It’s dark blue/black colored. I was told the sea water turns it dark blue. I’m not sure if that’s true. This is from Honeymoon.
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I've got several chunks of heat treated coral that I found in Pasco County. They have already been worked over and what I found were pieces not suitable for knapping. A lot of rind but great colors on the coral still attached.
 

Broken, but still really interesting to see the detail, especially the crystals in the shell.
 

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